id summary reporter owner description type status milestone component version severity resolution keywords cc 1873 scoped_try_lock constructor does lock() not try_lock() Anthony Williams Anthony Williams The boost 1.35.0 scoped_try_lock constructor calls lock() rather than try_lock(), which is a breaking change compared to boost 1.34.1, and may result in applications deadlocking. Bugs closed Boost 1.36.0 thread Boost 1.35.0 Regression fixed